assertion failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)
Larry Rosenman
larryrtx at gmail.com
Mon Feb 11 18:33:23 EET 2019
for FreeBSD you can add to /etc/make.conf:
WITH_DEBUG_PORTS=mail/dovecot mail/dovecot-pigeonhole
and rebuild the packages.
(from the FreeBSD port maintainer, me).
On Mon, Feb 11, 2019 at 10:31 AM Stephan Bosch via dovecot <
dovecot at dovecot.org> wrote:
>
>
> Op 9-2-2019 om 19:27 schreef Giacomo via dovecot:
> > I got a core file this morning.
> >
> > opening it with gdb I get this:
> >
> > (gdb) core imap.core
> > Core was generated by `dovecot/imap'.
> > Program terminated with signal 6, Aborted.
> > #0 0x0000000011c1347a in ?? ()
> > (gdb) bt
> > #0 0x0000000011c1347a in ?? ()
> > #1 0x0000000011c13444 in ?? ()
> > #2 0x0000000000018dee in ?? ()
> > #3 0x306db139575f3b0d in ?? ()
> > #4 0x00007fffffffc144 in ?? ()
> > #5 0x0000000000000000 in ?? ()
> >
> > Doesn't look clean at all.
>
> That is not that helpful. Did you install debug symbols for Dovecot?
> This is usually a separate package. It all depends on your OS. I am not
> familiar with FreeBSD.
>
> Regards,
>
> Stephan.
>
> >
> > let me know if I should upload the file somewhere.
> >
> > Thanks
> >
> > Il giorno lun 21 gen 2019 alle ore 08:52 Giacomo
> > <giacomo1989 at gmail.com <mailto:giacomo1989 at gmail.com>> ha scritto:
> >
> > I've just enabled core dumps on the involved FreeBSD system. Let's
> > see if it dumps something..
> >
> > Il giorno dom 20 gen 2019 alle ore 19:16 Stephan Bosch
> > <stephan at rename-it.nl <mailto:stephan at rename-it.nl>> ha scritto:
> >
> > Hi Giacomo,
> >
> > Op 21/12/2018 om 16:16 schreef Giacomo:
> > > The bug happens not very often, it might need a week to get
> > a core file.
> >
> > Any luck getting a core file?
> >
> > Regards,
> >
> > Stephan.
> > >
> > >
> > > Il giorno ven 21 dic 2018 alle ore 15:18 Aki Tuomi
> > > <aki.tuomi at open-xchange.com
> > <mailto:aki.tuomi at open-xchange.com>
> > <mailto:aki.tuomi at open-xchange.com
> > <mailto:aki.tuomi at open-xchange.com>>> ha
> > > scritto:
> > >
> > >
> > > On 21.12.2018 14.49, Giacomo wrote:
> > > > I'm running the following:
> > > >
> > > > # 2.3.4 (0ecbaf23d): /usr/local/etc/dovecot/dovecot.conf
> > > > # OS: FreeBSD 11.2-RELEASE-p4 amd64
> > > > # FS: ZFS
> > > >
> > > > auth_mechanisms = plain login
> > > > auth_username_format = %Ln
> > > > listen = *
> > > > mail_location = maildir:~/Maildir
> > > > namespace inbox {
> > > > inbox = yes
> > > > location =
> > > > mailbox Drafts {
> > > > auto = subscribe
> > > > special_use = \Drafts
> > > > }
> > > > mailbox Junk {
> > > > auto = subscribe
> > > > special_use = \Junk
> > > > }
> > > > mailbox Sent {
> > > > special_use = \Sent
> > > > }
> > > > mailbox Trash {
> > > > auto = subscribe
> > > > special_use = \Trash
> > > > }
> > > > prefix =
> > > > }
> > > > passdb {
> > > > driver = pam
> > > > }
> > > > protocols = imap lmtp
> > > > service auth {
> > > > unix_listener /var/spool/postfix/private/auth {
> > > > group = postfix
> > > > mode = 0666
> > > > user = postfix
> > > > }
> > > > user = dovecot
> > > > }
> > > > service imap-login {
> > > > inet_listener imap {
> > > > port = 0
> > > > }
> > > > }
> > > > service lmtp {
> > > > unix_listener /var/spool/postfix/private/dovecot-lmtp {
> > > > group = postfix
> > > > mode = 0600
> > > > user = postfix
> > > > }
> > > > }
> > > > service stats {
> > > > unix_listener stats-reader {
> > > > group =
> > > > mode = 0600
> > > > user =
> > > > }
> > > > unix_listener stats-writer {
> > > > group = $default_internal_group
> > > > mode = 0666
> > > > user =
> > > > }
> > > > user = $default_internal_user
> > > > }
> > > > ssl_cert = </root/cert.pem
> > > > ssl_key = # hidden, use -P to show it
> > > > userdb {
> > > > driver = passwd
> > > > }
> > > >
> > > > dmesg shows:
> > > >
> > > > pid 74441 (imap), uid 1002: exited on signal 6
> > > > pid 74784 (imap), uid 1002: exited on signal 6
> > > > pid 21471 (imap), uid 1002: exited on signal 6
> > > > pid 21470 (imap), uid 1002: exited on signal 6
> > > > pid 21464 (imap), uid 1002: exited on signal 6
> > > > pid 21731 (imap), uid 1002: exited on signal 6
> > > >
> > > > Sometimes the dovecot process serving an user crashes.
> > He runs
> > > mostly
> > > > airmail on macOS and samsung mail on Android.
> > > >
> > > > Happens only to that particular user.
> > > >
> > > > The log shows the following: (maillog)
> > > >
> > > > Dec 16 14:52:35 mail dovecot: imap-login: Login:
> > user=<USER>,
> > > > method=PLAIN, rip=79.12.201.157, lip=192.168.1.28,
> > mpid=74779, TLS,
> > > > session=<wMQI+iN9VtRPDMmd>
> > > > Dec 16 14:52:39 mail dovecot:
> > imap(USER)<74441><nLa+7SN9+fhPDMmd>:
> > > > Panic: file charset-iconv.c: line 83
> > (charset_to_utf8_try):
> > > assertion
> > > > failed: (srcleft <= CHARSET_MAX_PENDING_BUF_SIZE)
> > > > Dec 16 14:52:39 mail dovecot:
> > imap(USER)<74441><nLa+7SN9+fhPDMmd>:
> > > > Fatal: master: service(imap): child 74441 killed with
> > signal 6 (core
> > > > not dumped -
> > https://dovecot.org/bugreport.html#coredumps - set
> > > > service imap { drop_priv_before_exec=yes })
> > > >
> > > > I'm here if more info is needed.
> > > >
> > > > Thanks for taking a look.
> > >
> > >
> > > Can you somehow get a core file and get backtrace from it?
> > >
> > >
> > > Aki
> > >
> >
>
>
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c) E-Mail: larryrtx at gmail.com
US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106
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